<template>
  <Dialog v-model="dialogVisible" :title="dialogTitle" width="60%">
    <el-form
      ref="formRef"
      v-loading="formLoading"
      :model="formData"
      :rules="formRules"
      label-width="80px"
    >
      <el-form-item label="公告标题" prop="title">
        <el-input v-model="formData.title" placeholder="请输入公告标题" />
      </el-form-item>
      <el-form-item label="公告内容" prop="content">
        <Editor v-model="formData.content" height="150px" />
      </el-form-item>
      <el-form-item label="公告类型" prop="type">
        <el-select v-model="formData.type" clearable placeholder="请选择公告类型">
          <el-option
            v-for="dict in getIntDictOptions(DICT_TYPE.SYSTEM_NOTICE_TYPE)"
            :key="parseInt(dict.value as any)"
            :label="dict.label"
            :value="parseInt(dict.value as any)"
          />
        </el-select>
      </el-form-item>
      <el-form-item label="状态" prop="status">
        <el-select v-model="formData.status" clearable placeholder="请选择状态">
          <el-option
            v-for="dict in getIntDictOptions(DICT_TYPE.COMMON_STATUS)"
            :key="parseInt(dict.value as any)"
            :label="dict.label"
            :value="parseInt(dict.value as any)"
          />
        </el-select>
      </el-form-item>
      <el-form-item label="接收方式" prop="receiveType">
        <el-radio-group v-model="formData.receiveType" @change="onReceiveTypeChange">
          <el-radio :label="1">全员</el-radio>
          <el-radio :label="2">指定人员</el-radio>
        </el-radio-group>
      </el-form-item>
      <el-form-item v-if="formData.receiveType === 2" label="接收人" prop="receiverIds">
        <UserSelectMultiple v-model="formData.receiverIds" @node-change="onReceiverChange" />
      </el-form-item>
      <el-form-item label="发布部门">
        <el-input v-model="formData.deptName" disabled placeholder="自动获取" />
      </el-form-item>
      <el-form-item label="附件">
        <OaFileManager :initialFileIds="formData.files" @fileSelectSuccess="onFileSelect" />
      </el-form-item>
      <el-form-item label="备注" prop="remark">
        <el-input v-model="formData.remark" placeholder="请输备注" type="textarea" />
      </el-form-item>
    </el-form>
    <template #footer>
      <el-button :disabled="formLoading" type="primary" @click="submitForm">确 定</el-button>

      <el-button @click="dialogVisible = false">取 消</el-button>
    </template>
  </Dialog>
</template>
<script lang="ts" setup>
import { DICT_TYPE, getIntDictOptions } from '@/utils/dict'
import { CommonStatusEnum } from '@/utils/constants'
import * as NoticeApi from '@/api/system/notice'
import UserSelectMultiple from '@/views/system/user/UserSelectMultiple.vue'
import OaFileManager from '@/components/Oa/OaFileManager.vue'

defineOptions({ name: 'SystemNoticeForm' })

const { t } = useI18n() // 国际化
const message = useMessage() // 消息弹窗

const dialogVisible = ref(false) // 弹窗的是否展示
const dialogTitle = ref('') // 弹窗的标题
const formLoading = ref(false) // 表单的加载中：1）修改时的数据加载；2）提交的按钮禁用
const formType = ref('') // 表单的类型：create - 新增；update - 修改
const formData = ref({
  id: undefined,
  title: '',
  type: undefined,
  content: '',
  status: CommonStatusEnum.ENABLE,
  receiveType: 1, // 默认为全员
  remark: '',
  receiverIds: '',
  receiverNames: '',
  deptId: undefined,
  deptName: '',
  files: ''
})
const formRules = reactive({
  title: [{ required: true, message: '公告标题不能为空', trigger: 'blur' }],
  type: [{ required: true, message: '公告类型不能为空', trigger: 'change' }],
  status: [{ required: true, message: '状态不能为空', trigger: 'change' }],
  receiveType: [{ required: true, message: '接收方式不能为空', trigger: 'change' }],
  content: [{ required: true, message: '公告内容不能为空', trigger: 'blur' }]
})
const formRef = ref() // 表单 Ref

/** 打开弹窗 */
const open = async (type: string, id?: number) => {
  dialogVisible.value = true
  dialogTitle.value = t('action.' + type)
  formType.value = type
  resetForm()
  // 修改时，设置数据
  if (id) {
    formLoading.value = true
    try {
      const data = await NoticeApi.getNotice(id)
      formData.value = {
        ...data,
        files: data.files || '',
        receiverIds: data.receiverIds || '',
        receiverNames: data.receiverNames || '',
        deptName: data.deptName || '',
        receiveType: data.receiveType || 1
      }
    } finally {
      formLoading.value = false
    }
  }
}
defineExpose({ open }) // 提供 open 方法，用于打开弹窗

/** 提交表单 */
const emit = defineEmits(['success']) // 定义 success 事件，用于操作成功后的回调
const submitForm = async () => {
  // 校验表单
  if (!formRef) return
  const valid = await formRef.value.validate()
  if (!valid) return
  // 提交请求
  formLoading.value = true
  try {
    const data = formData.value as unknown as NoticeApi.NoticeVO
    if (formType.value === 'create') {
      await NoticeApi.createNotice(data)
      message.success(t('common.createSuccess'))
    } else {
      await NoticeApi.updateNotice(data)
      message.success(t('common.updateSuccess'))
    }
    dialogVisible.value = false
    // 发送操作成功的事件
    emit('success')
  } finally {
    formLoading.value = false
  }
}



/** 重置表单 */
const resetForm = () => {
  formData.value = {
    id: undefined,
    title: '',
    type: undefined,
    content: '',
    status: CommonStatusEnum.ENABLE,
    receiveType: 1, // 默认为全员
    remark: '',
    receiverIds: '',
    receiverNames: '',
    deptId: undefined,
    deptName: '',
    files: ''
  }
  formRef.value?.resetFields()
}

const onFileSelect = (fileIds: string[]) => {
  formData.value.files = fileIds.join(',')
}

// 监听接收人选择变化
const onReceiverChange = (users: any[]) => {
  formData.value.receiverNames = users.map(u => u.nickname).join(',')
}

// 接收方式变更处理
const onReceiveTypeChange = (val: number) => {
  if (val === 1) {
    // 全员时清空接收人
    formData.value.receiverIds = ''
    formData.value.receiverNames = ''
  }
}
</script>
